Study of the lateral pressure of fresh concrete as related to the design of drilled shafts.
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1983-11-01
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Edition:Final report
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Abstract:A series of tests were conducted to determine the effect of the consistency of
concrete, as measured by the slump test, on the lateral pressure of concrete.
Testing conditions simulated the construction of drilled shafts as practiced by the
Texas State Department of Highways and Public Transportation. The tests showed
that increasing the slump of the concrete increased the maximum pressure and the
length of the shaft which was under hydrostatic conditions. Pulling the tremie
increased the lateral pressure by variable amounts in an unpredictable manner. The increased pressure against the sides of an excavation is desirable because
the axial capacity of a drilled shaft is increased.
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